package com.example.lotterysystem.service.impl;

import com.example.lotterysystem.common.errorcode.ServiceErrorCodeConstants;
import com.example.lotterysystem.common.exception.ServiceException;
import com.example.lotterysystem.common.utils.*;
import com.example.lotterysystem.service.SmsService;
import com.example.lotterysystem.service.VerificationCodeService;
import io.netty.handler.codec.MessageAggregationException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.validation.beanvalidation.SpringValidatorAdapter;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author xuejiao
 * Data 2025/4/30 10:44
 */
@Service
public class VerificationCodeServiceImpl implements VerificationCodeService {
    //对于redis里面的key需要标准化，为了区分业务
    private static final String VERIFICATION_CODE_PREFIX = "VERIFICATION_CODE";
    private static final Long VERIFICATION_CODE_TIMEOUT = 60L;
    private static final String VERIFICATION_CODE_TEMPLATE_CODE = "SMS_465324787";


    @Autowired
    private SMSUtil smsUtil;
    @Autowired
    private RedisUtil redisUtil;

    @Override
    public void sendVerificationCode(String phoneNumber) {
        //1.校验手机号
        if (!RegexUtil.checkMobile(phoneNumber)) {
            throw new ServiceException(ServiceErrorCodeConstants.PHONE_NUMBER_USED);
        }

        //2.生成随机验证码
        String code = CaptchaUtil.getCaptcha(4);

        //3.发送验证码
        Map<String, String> map = new HashMap<>();
        map.put("code", code);
        smsUtil.sendMessage(VERIFICATION_CODE_TEMPLATE_CODE,
                phoneNumber,
                JacksonUtil.writeValueAsString(map));
        //4.缓存验证码，151XXXXXX:code
        redisUtil.set(VERIFICATION_CODE_PREFIX+phoneNumber,
                code,VERIFICATION_CODE_TIMEOUT);

    }

    @Override
    public String getVerificationCode(String phoneNumber) {
        //1.校验手机号
        if (!RegexUtil.checkMobile(phoneNumber)) {
            throw new ServiceException(ServiceErrorCodeConstants.PHONE_NUMBER_ERROR);
        }

        return redisUtil.get(VERIFICATION_CODE_PREFIX+ phoneNumber);
    }


}
